On Fri, Jun 26, 2009 at 14:28, Sebastian
Krzyszkowiak<seba.dos1 at gmail.com> wrote:
> But that would be nice if someone will explain, how that second accel
> can be used, where the first couldn't...
Since you have acceleration for two different points in the body and
you know the positions of those points, you can compute the direction
in which it's rotating wrt to some axis. You can't do that with a
single acceleration vector without resorting to collecting samples
over time.
Marcelo